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Old 04-04-2009, 04:00 PM   #1
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Xpelair


I have a Xpelair DX100t and have until recently had installed on it a red led light which indicates when the device is switched off (necessary due to having a timer on it). As the led has stopped working I want to replace it but do not know what led/resistor I need to buy. As their is all kinds of resistors, can anybody please tell me what I require.

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Old 04-04-2009, 04:48 PM   #2
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resistor color code? bbroygbvgw

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Old 04-04-2009, 10:13 PM   #3
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Niiiice.
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Old 04-04-2009, 10:23 PM   #4
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Resistor color code also known as black, brown, red, orange, yellow, green, blue, violet, gray, white. Black=0, white=9. First two bands are actual numbers, third band is number of zeros to the right of the first two, fourth band is % tolerance.

To get the proper resistor, we'd need to know the voltage applied to the LED. An LED is basically a short circuit, and needs a resistor in series with it to limit current.

Rob
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Old 04-04-2009, 10:49 PM   #5
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Why don't you replace the LED and use the existing resister?
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Old 04-05-2009, 10:50 AM   #6
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Usually red indicating LEDs are ~2v forward voltage at 20 mA.

Last edited by Yoyizit; 04-05-2009 at 10:53 AM.
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Old 04-06-2009, 08:24 AM   #7
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Quote:
Originally Posted by micromind View Post
Resistor color code also known as black, brown, red, orange, yellow, green, blue, violet, gray, white. Black=0, white=9. First two bands are actual numbers, third band is number of zeros to the right of the first two, fourth band is % tolerance.

To get the proper resistor, we'd need to know the voltage applied to the LED. An LED is basically a short circuit, and needs a resistor in series with it to limit current.

Rob

The voltage is 240 and I believe the ampage of the Xpelair is 5.

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